Alright. You've got a BUNCH of things going on on this page that are wrong. You're using absolute positioning for entire sections instead of auto, and for that reason you have to set your body height and that's messing with other things.
I think you need to go back to the drawing board with this page and start again. Go through a couple tutorials to get the hang of nesting divs inside of sections and ask questions as you go along. There's nothing necessarily wrong with the approach of just diving in, but I think the visual aspect of Webflow allowed you to do some things that you reeeeeally should not be doing, code-wise, and you're paying the price when you try to actually view the site.
It's bed time for me. Good luck!